May weather forecast
Hyattsville, MD

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Weather in May

May delivers an unmistakable note of summer warmth to the Hyattsville weather. The trend from April persists with a steady climb in temperatures, inviting outdoor activities and showcasing the city in full bloom. During this month, rainfall reaches its highest peak at 2.99" (76mm). The long daylight hours provide ample sunshine and promise the full warmth of summer soon to come. As June approaches, brace for a substantial surge in temperatures.

Temperature

Hyattsville's weather shows a temperature rise with the arrival of May, moving from a comfortable 64.8°F (18.2°C) in April to a warm 73.9°F (23.3°C). May brings Hyattsville a consistent average low-temperature of 57°F (13.9°C).

Humidity

May, October and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In Hyattsville, during May, the rain falls for 17.9 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Hyattsville, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.

Snowfall

May through November are months without snowfall.

Daylight

The average length of the day in May is 14h and 19min.
On the first day of May, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

Sunshine

In Hyattsville, the average sunshine in May is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a regular UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 73.9°F (23.3°C) and a low-temperature of 57°F (13.9°C).

What are the most humid months?

May, October and December, with an average relative humidity of 76%, are most humid months in Hyattsville.

What is the average humidity in May?

In Hyattsville, the average relative humidity in May is 76%.

How many days does it rain in May?

In Hyattsville, in May, during 17.9 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow?

In Hyattsville, Maryland, snow does not fall in May through November.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

In May, the average day length is 14h and 19min.

When are sunrise and sunset in May in Hyattsville?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Hyattsville have in May?

The average sunshine duration in May is 8.9h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hyattsville, MD

Average temperature in May - Hyattsville, MD
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in May
Hyattsville, MD

Average pressure in May - Hyattsville, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Hyattsville, MD

Average wind speed in May - Hyattsville, MD
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Hyattsville, MD

Average humidity in May - Hyattsville, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in May
Hyattsville, MD

Average rainfall in May - Hyattsville, MD
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in May
Hyattsville, MD

Average rainfall days in May - Hyattsville, MD
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in May
Hyattsville, MD

Average snowfall in May - Hyattsville, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in May
Hyattsville, MD

Average snowfall days in May - Hyattsville, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Hyattsville, MD

Average daylight in May / Average sunshine in May - Hyattsville, MD
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in May
Hyattsville, MD

Average sunshine days in May - Hyattsville, MD
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May
Hyattsville, MD

Average UV index in May - Hyattsville, MD
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in May
Hyattsville, MD

Average cloud cover in May - Hyattsville, MD
  • Average cloud cover in May: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Hyattsville, MD

Average visibility in May - Hyattsville, MD
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Hyattsville, Maryland, USA

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